{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Smartphone+application+survey",
    "query": {
      "intervention": "Smartphone application survey"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 395,
    "total_pages": 40,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Smartphone+application+survey&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-09T22:00:53.920Z",
  "attribution": "Data derived from public ClinicalTrials.gov records. The official record at https://clinicaltrials.gov/ remains the source of truth for current availability, contacts, and full study details.",
  "notes": [
    "This endpoint exposes only public summary fields — no participant contact emails, phone numbers, or scraped investigator contact details.",
    "For contact information and full protocol detail, follow each trial's `official_url` to the ClinicalTrials.gov record.",
    "This API is a navigational aid. It does not provide medical advice, eligibility determinations, or compensation guarantees."
  ],
  "trials": [
    {
      "nct_id": "NCT02568865",
      "title": "Noninvasive Physiologic Sensors to Assess Depression",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Depression",
        "Major Depressive Disorder"
      ],
      "interventions": [
        {
          "name": "Physiological Sensors",
          "type": "OTHER"
        },
        {
          "name": "Sleep Monitoring Device",
          "type": "OTHER"
        },
        {
          "name": "Vocal Monitoring",
          "type": "OTHER"
        },
        {
          "name": "Mobile Phone",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 50,
      "start_date": "2016-01-15",
      "completion_date": "2020-01-03",
      "has_results": false,
      "last_update_posted_date": "2020-02-25",
      "last_synced_at": "2026-09-09T22:00:53.920Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02568865"
    },
    {
      "nct_id": "NCT05509712",
      "title": "Physical Activity Smartphone App for African American Men (FitBros) Phase I",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Exercise",
        "Health Behavior",
        "Technology"
      ],
      "interventions": [
        {
          "name": "Focus Groups to Refine MobileMen App Content",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Beta testing of MobileMen App Prototype",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Klein Buendel, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "30 Years and older · Male only"
      },
      "enrollment_count": 38,
      "start_date": "2022-03-07",
      "completion_date": "2022-07-31",
      "has_results": false,
      "last_update_posted_date": "2023-07-07",
      "last_synced_at": "2026-09-09T22:00:53.920Z",
      "location_count": 3,
      "location_summary": "Golden, Colorado • Washington D.C., District of Columbia • Baton Rouge, Louisiana",
      "locations": [
        {
          "city": "Golden",
          "state": "Colorado"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Baton Rouge",
          "state": "Louisiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05509712"
    },
    {
      "nct_id": "NCT06555939",
      "title": "Promoting Resilience Among Adolescents and Young Adults With Sickle Cell Disease",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Sickle Cell Disease"
      ],
      "interventions": [
        {
          "name": "Collaborative Care Model",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Promoting Resilience in Stress Management",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Boston Children's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "8 Years",
        "maximum_age": "25 Years",
        "sex": "ALL",
        "summary": "8 Years to 25 Years"
      },
      "enrollment_count": 25,
      "start_date": "2025-10-23",
      "completion_date": "2030-09",
      "has_results": false,
      "last_update_posted_date": "2026-05-05",
      "last_synced_at": "2026-09-09T22:00:53.920Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06555939"
    },
    {
      "nct_id": "NCT07210567",
      "title": "Mindfulness-based Ecological Momentary Intervention for Smoking Cessation Among Cancer Survivors",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking Cessation"
      ],
      "interventions": [
        {
          "name": "Mindfulness",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Quitline",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Rutgers, The State University of New Jersey",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 50,
      "start_date": "2026-01-27",
      "completion_date": "2028-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-05-04",
      "last_synced_at": "2026-09-09T22:00:53.920Z",
      "location_count": 1,
      "location_summary": "New Brunswick, New Jersey",
      "locations": [
        {
          "city": "New Brunswick",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07210567"
    },
    {
      "nct_id": "NCT06008574",
      "title": "A Study Comparing Mindfulness Apps to Decrease Anxiety in People With Lung Cancer",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Lung Cancer"
      ],
      "interventions": [
        {
          "name": "AmDTx-PCSP",
          "type": "OTHER"
        },
        {
          "name": "AmDTx-2048",
          "type": "OTHER"
        },
        {
          "name": "Questionnaires",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Memorial Sloan Kettering Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 6,
      "start_date": "2023-08-11",
      "completion_date": "2026-08",
      "has_results": false,
      "last_update_posted_date": "2025-09-17",
      "last_synced_at": "2026-09-09T22:00:53.920Z",
      "location_count": 7,
      "location_summary": "Basking Ridge, New Jersey • Middletown, New Jersey • Montvale, New Jersey + 4 more",
      "locations": [
        {
          "city": "Basking Ridge",
          "state": "New Jersey"
        },
        {
          "city": "Middletown",
          "state": "New Jersey"
        },
        {
          "city": "Montvale",
          "state": "New Jersey"
        },
        {
          "city": "Commack",
          "state": "New York"
        },
        {
          "city": "Harrison",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06008574"
    },
    {
      "nct_id": "NCT06907654",
      "title": "Couples' Affect in Relationships Study",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Depression Disorders"
      ],
      "interventions": [
        {
          "name": "well-being app",
          "type": "DEVICE"
        },
        {
          "name": "List of well-being resources",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "BEHAVIORAL"
      ],
      "sponsor": "University of Wisconsin, Madison",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 2000,
      "start_date": "2026-08-04",
      "completion_date": "2028-12",
      "has_results": false,
      "last_update_posted_date": "2026-08-06",
      "last_synced_at": "2026-09-09T22:00:53.920Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06907654"
    },
    {
      "nct_id": "NCT06129994",
      "title": "Ecological Momentary Assessment Study of Adolescents and Young Adults With Type 1 Diabetes (EMA-T1D)",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Type 1 Diabetes"
      ],
      "interventions": [
        {
          "name": "Observational",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Michigan",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "13 Years",
        "maximum_age": "26 Years",
        "sex": "ALL",
        "summary": "13 Years to 26 Years"
      },
      "enrollment_count": 47,
      "start_date": "2023-11-07",
      "completion_date": "2025-08-10",
      "has_results": false,
      "last_update_posted_date": "2025-10-06",
      "last_synced_at": "2026-09-09T22:00:53.920Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06129994"
    },
    {
      "nct_id": "NCT03481595",
      "title": "Improvement of Patient Satisfaction and Overall Outcomes Using HealthLoop",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Arthroplasty, Replacement, Knee",
        "Arthroplasty, Replacement, Hip"
      ],
      "interventions": [
        {
          "name": "HealthLoop mobile application",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "The Cleveland Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 294,
      "start_date": "2018-04-17",
      "completion_date": "2020-06-17",
      "has_results": true,
      "last_update_posted_date": "2021-11-24",
      "last_synced_at": "2026-09-09T22:00:53.920Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03481595"
    },
    {
      "nct_id": "NCT06809335",
      "title": "A Pilot of a Personalized Circadian mHealth to Improve Sleep in Night Shift Workers",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Shift Work Sleep Disorder"
      ],
      "interventions": [
        {
          "name": "Personalized circadian mHealth",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Henry Ford Health System",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 300,
      "start_date": "2023-10-23",
      "completion_date": "2027-06",
      "has_results": false,
      "last_update_posted_date": "2026-03-02",
      "last_synced_at": "2026-09-09T22:00:53.920Z",
      "location_count": 1,
      "location_summary": "Novi, Michigan",
      "locations": [
        {
          "city": "Novi",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06809335"
    },
    {
      "nct_id": "NCT04684849",
      "title": "Assessment and Validation of Electronic Gas and Bloating Diary",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Gas",
        "Bloating",
        "Distension",
        "Constipation",
        "Diarrhea"
      ],
      "interventions": [
        {
          "name": "APP Diary",
          "type": "OTHER"
        },
        {
          "name": "Paper Diary",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Augusta University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 40,
      "start_date": "2020-09-10",
      "completion_date": "2024-08-31",
      "has_results": false,
      "last_update_posted_date": "2022-10-24",
      "last_synced_at": "2026-09-09T22:00:53.920Z",
      "location_count": 1,
      "location_summary": "Augusta, Georgia",
      "locations": [
        {
          "city": "Augusta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04684849"
    }
  ]
}